# -*- coding: utf-8 -*-

from __future__ import absolute_import

from django.db import models

from django.contrib.auth.models import User

class Paper(models.Model):

    """Data model for storing proceedings paper.

    """

    # Title of the paper

    title = models.CharField(max_length=200)

    # Abstract to be published with the paper

    abstract = models.TextField()

    # Body text of the paper

    body = models.TextField()

    # Authors

    authors = models.ManyToManyField(User)

class Attachments(models.Model):

    """Stores attachments for papers.

    """

    # Attachment for generating paper

    attachments = models.FileField(upload_to='attachments/%Y/%m/%d')

    # The paper to which this attachment belongs to

    paper = models.ForeignKey(Paper)